Unalachtigo

Unalachtigo [oo-nuh-lahch-ti-goh] noun, plural U·na·lach·ti·gos, (especially collectively) U·na·lach·ti·go for 1.

1. a member of a North American Indian people, one of the Delaware group.
2. the Eastern Algonquian language of the Unalachtigo, originally spoken in the middle Delaware Valley.